[Bf-blender-cvs] [f2fd5987d0f] blender2.8: UI: clear properties color when empty

[Campbell Barton]

Commit: f2fd5987d0f592567f1da8d080e5fe38acb12ec8
Author: Campbell Barton
Date:   Fri Jun 8 17:29:29 2018 +0200
Branches: blender2.8
https://developer.blender.org/rBf2fd5987d0f592567f1da8d080e5fe38acb12ec8

UI: clear properties color when empty

===================================================================

M	source/blender/editors/space_buttons/space_buttons.c

===================================================================

diff --git a/source/blender/editors/space_buttons/space_buttons.c b/source/blender/editors/space_buttons/space_buttons.c
index 3787398c9e3..be687d365f3 100644
--- a/source/blender/editors/space_buttons/space_buttons.c
+++ b/source/blender/editors/space_buttons/space_buttons.c
@@ -52,6 +52,8 @@
 
 #include "UI_resources.h"
 
+#include "GPU_glew.h"
+
 #include "buttons_intern.h"  /* own include */
 
 /* ******************** default callbacks for buttons space ***************** */
@@ -209,11 +211,11 @@ static void buttons_main_region_draw_properties(const bContext *C, SpaceButs *sb
 static void buttons_main_region_draw_tool(const bContext *C, SpaceButs *sbuts, ARegion *ar)
 {
 	const bool vertical = (sbuts->align == BUT_VERTICAL);
+	const char *contexts[3] = {NULL};
 
 	const WorkSpace *workspace = CTX_wm_workspace(C);
 	if (workspace->tools_space_type == SPACE_VIEW3D) {
 		const int mode = CTX_data_mode_enum(C);
-		const char *contexts[3] = {NULL};
 		switch (mode) {
 			case CTX_MODE_EDIT_MESH:
 				ARRAY_SET_ITEMS(contexts, ".mesh_edit");
@@ -265,6 +267,11 @@ static void buttons_main_region_draw_tool(const bContext *C, SpaceButs *sbuts, A
 	else if (workspace->tools_space_type == SPACE_IMAGE) {
 		/* TODO */
 	}
+
+	if (contexts[0] == NULL) {
+		UI_ThemeClearColor(TH_BACK);
+		glClear(GL_COLOR_BUFFER_BIT);
+	}
 }
 
 static void buttons_main_region_draw(const bContext *C, ARegion *ar)